Head-Scratching Riddle Of Hungry Aliens and Coloured Hats Is Going Viral

Fancy yourself a logical thinker, even if your life depended on it? Well now is your chance to prove it. A riddle posted by TED-Ed is going viral, and it is harder than anything you’re likely to find inside a cracker this week. First a bit of background information. You, along with nine others, have been abducted […]

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